[INFO] fetching crate rw_lease 0.1.0...
[INFO] testing rw_lease-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rw_lease 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rw_lease 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rw_lease 0.1.0
[INFO] finished tweaking crates.io crate rw_lease 0.1.0
[INFO] tweaked toml for crates.io crate rw_lease 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic_prim_traits v0.2.0
[INFO] [stderr]   Downloaded primitive_traits v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e21084068f93f094dd4e5ecc41c38e1b48a4f746bdf8198b7cbc4900ab28d368
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e21084068f93f094dd4e5ecc41c38e1b48a4f746bdf8198b7cbc4900ab28d368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21084068f93f094dd4e5ecc41c38e1b48a4f746bdf8198b7cbc4900ab28d368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21084068f93f094dd4e5ecc41c38e1b48a4f746bdf8198b7cbc4900ab28d368", kill_on_drop: false }`
[INFO] [stdout] e21084068f93f094dd4e5ecc41c38e1b48a4f746bdf8198b7cbc4900ab28d368
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1f0c8db100bbf4d4bb3980e297df133234a5023ee0f84c7642b83ced4c26d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff1f0c8db100bbf4d4bb3980e297df133234a5023ee0f84c7642b83ced4c26d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling primitive_traits v0.2.0
[INFO] [stderr]    Compiling atomic_prim_traits v0.2.0
[INFO] [stderr]    Compiling rw_lease v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "ff1f0c8db100bbf4d4bb3980e297df133234a5023ee0f84c7642b83ced4c26d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1f0c8db100bbf4d4bb3980e297df133234a5023ee0f84c7642b83ced4c26d5", kill_on_drop: false }`
[INFO] [stdout] ff1f0c8db100bbf4d4bb3980e297df133234a5023ee0f84c7642b83ced4c26d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7757d69c7c2c64a8faf462173df495411b8ebfa024e09777ceeef71f951cf057
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7757d69c7c2c64a8faf462173df495411b8ebfa024e09777ceeef71f951cf057", kill_on_drop: false }`
[INFO] [stderr]    Compiling rw_lease v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "7757d69c7c2c64a8faf462173df495411b8ebfa024e09777ceeef71f951cf057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7757d69c7c2c64a8faf462173df495411b8ebfa024e09777ceeef71f951cf057", kill_on_drop: false }`
[INFO] [stdout] 7757d69c7c2c64a8faf462173df495411b8ebfa024e09777ceeef71f951cf057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a887a2326f312a913a78fffde08e6cce3859dacd24f005acbf6f9d4aa66bb2c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a887a2326f312a913a78fffde08e6cce3859dacd24f005acbf6f9d4aa66bb2c7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rw_lease-607f4947e9e2a23b
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::read_all_ones ... ok
[INFO] [stdout] test tests::read_with_writer ... ok
[INFO] [stdout] test tests::solo_writing ... ok
[INFO] [stdout] test tests::solo_reading ... ok
[INFO] [stdout] test tests::read_with_max_readers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rw_lease
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a887a2326f312a913a78fffde08e6cce3859dacd24f005acbf6f9d4aa66bb2c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a887a2326f312a913a78fffde08e6cce3859dacd24f005acbf6f9d4aa66bb2c7", kill_on_drop: false }`
[INFO] [stdout] a887a2326f312a913a78fffde08e6cce3859dacd24f005acbf6f9d4aa66bb2c7